mall, repent, epiphytic herbs up to about 10 cm. long. Stems slender, simple or branched, covered with the scarious leaf-sheaths or becoming naked. Leaves 2-7 cm. long and 0.3-0.5 cm. broad, linear or ligulate. Inflorescence terminal, few-flowered; flowers relatively large for the plant. Dorsal sepal 8-15 mm. long and 2-2.5 mm. broad, lanceolate, acute. Lateral sepals 9-16 mm.-long and 2.5-3.5 mm. broad, lanceolate, acuminate, arcuate. Petals 8-15 mm. long, fili-form or subulate. Lip simple, unguiculate; claw adnate to the column; lamina 7-13 mm. long and 8-14 mm. broad, suborbicular or suborbicular-reniform, mucronate, provided with 2 small basal calluses.